diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-i2c.c')
-rw-r--r-- | drivers/media/video/saa7134/saa7134-i2c.c | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/drivers/media/video/saa7134/saa7134-i2c.c b/drivers/media/video/saa7134/saa7134-i2c.c index 702bb63d9813..1203b93a572c 100644 --- a/drivers/media/video/saa7134/saa7134-i2c.c +++ b/drivers/media/video/saa7134/saa7134-i2c.c @@ -1,5 +1,5 @@ /* - * $Id: saa7134-i2c.c,v 1.10 2005/01/24 17:37:23 kraxel Exp $ + * $Id: saa7134-i2c.c,v 1.22 2005/07/22 04:09:41 mkrufky Exp $ * * device driver for philips saa7134 based TV cards * i2c interface support @@ -197,10 +197,6 @@ static inline int i2c_send_byte(struct saa7134_dev *dev, enum i2c_status status; __u32 dword; -#if 0 - i2c_set_attr(dev,attr); - saa_writeb(SAA7134_I2C_DATA, data); -#else /* have to write both attr + data in one 32bit word */ dword = saa_readl(SAA7134_I2C_ATTR_STATUS >> 2); dword &= 0x0f; @@ -210,7 +206,6 @@ static inline int i2c_send_byte(struct saa7134_dev *dev, // dword |= 0x40 << 16; /* 400 kHz */ dword |= 0xf0 << 24; saa_writel(SAA7134_I2C_ATTR_STATUS >> 2, dword); -#endif d2printk(KERN_DEBUG "%s: i2c data => 0x%x\n",dev->name,data); if (!i2c_is_busy_wait(dev)) @@ -305,6 +300,8 @@ static int saa7134_i2c_xfer(struct i2c_adapter *i2c_adap, status = i2c_get_status(dev); if (i2c_is_error(status)) goto err; + /* ensure that the bus is idle for at least one bit slot */ + msleep(1); d1printk("\n"); return num; @@ -331,12 +328,44 @@ static u32 functionality(struct i2c_adapter *adap) static int attach_inform(struct i2c_client *client) { - struct saa7134_dev *dev = client->adapter->algo_data; + struct saa7134_dev *dev = client->adapter->algo_data; int tuner = dev->tuner_type; int conf = dev->tda9887_conf; + struct tuner_setup tun_setup; + + d1printk( "%s i2c attach [addr=0x%x,client=%s]\n", + client->driver->name,client->addr,i2c_clientname(client)); + + if (!client->driver->command) + return 0; + + if (saa7134_boards[dev->board].radio_type != UNSET) { + + tun_setup.type = saa7134_boards[dev->board].radio_type; + tun_setup.addr = saa7134_boards[dev->board].radio_addr; + + if ((tun_setup.addr == ADDR_UNSET) || (tun_setup.addr == client->addr)) { + tun_setup.mode_mask = T_RADIO; + + client->driver->command(client, TUNER_SET_TYPE_ADDR, &tun_setup); + } + } + + if (tuner != UNSET) { + + tun_setup.type = tuner; + tun_setup.addr = saa7134_boards[dev->board].tuner_addr; + + if ((tun_setup.addr == ADDR_UNSET)||(tun_setup.addr == client->addr)) { + + tun_setup.mode_mask = T_ANALOG_TV; + + client->driver->command(client,TUNER_SET_TYPE_ADDR, &tun_setup); + } + } + + client->driver->command(client, TDA9887_SET_CONFIG, &conf); - saa7134_i2c_call_clients(dev,TUNER_SET_TYPE,&tuner); - saa7134_i2c_call_clients(dev,TDA9887_SET_CONFIG,&conf); return 0; } |